The man then walked behind the counter and attempted to open the cash register. He was able to take $150 before fleeing the store on foot in an unknown direction, police said.
Police said the man was black, 5`8" to 6`0" tall, weighing approximately 160 to 185 pounds with a slender build. He was wearing a bright yellow hooded sweatshirt, a black surgical mask, black gloves, orange-patterned track pants and dark gym shoes.Anyone with information to call the Tinley Park Police Department at 444-5300.